trait that appears in recent parts of a lineage, but not in its older members

17.

Organize living things into groups that have biological meaning

Down

1.

in classification, a group of closely related families

2.

Classification system in which each species is assigned a two-part scientific name

4.

diagram depicting patterns of shared characteristics among species

5.

A group of similar species

8.

the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

9.

A group of species that share features inherited from a common ancestor

10.

in classification, a group of similar genera

12.

Domain of unicellular prokaryotes that have cell wall containing peptidoglycan

14.

Domain consisting of unicellular prokaryotes that have cell walls that do not contain peptidoglycan

15.

in classification, a group of closely related orders

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